40771644400 has 30 divisors (see below), whose sum is σ = 97953876632. Its totient is φ = 16308657600.

The previous prime is 40771644371. The next prime is 40771644401. The reversal of 40771644400 is 444617704.

It is a self number, because there is not a number n which added to its sum of digits gives 40771644400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40771644401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50964156 + ... + 50964955.

Almost surely, 2^40771644400 is an apocalyptic number.

40771644400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40771644400 is an abundant number, since it is smaller than the sum of its proper divisors (57182232232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40771644400 is a wasteful number, since it uses less digits than its factorization.

40771644400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101929129 (or 101929118 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 40771644400 in words is "forty billion, seven hundred seventy-one million, six hundred forty-four thousand, four hundred".